Cognomen Firsova (Фирсова 
, Firsova 
) , in the entire world, is a common family name. The last name Firsova is characteristic of Russia, where it is quite a common surname, Latvia, where it is quite a rare surname, and Kazakhstan. In absolute terms, it most frequently occurs in Russia, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
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| Фирсова | Kazakhstan, Uzbekistan, Belarus, Russia, Kyrgyzstan |
| Firsova | Germany, Estonia, Spain, Russia, Latvia |
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alissa firsova Russian-British musician, GB (b. 1986) |
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| olʹga leonidovna firsova RU (b. 1952) |
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| ljubov borisovna firsova (b. 1956) |
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| olga firsova Ukrainian-American basketball player, US (b. 1976) |
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| olga afanasyevna firsova Soviet climber, participant in the defense of Leningrad |
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| alexandra b firsova researcher |
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| julia firsova researcher |
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| maya firsova researcher |
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| tetiana firsova chess player (b. 1985) |
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| maria firsova |
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Ms, Sasha, Sonya, Sveta, Alena, Alisa, Alina, Arina, Katya, Daria, Darya, Dasha, Diana, Ganna, Laura, Lubov, Julia, Tanya, Nadia, Nadya, Elina, Elena, Maria, Yana, Olya, Olga, Ann, Ina, Alla, Anna, Anya, Kate, Kira, Rosa, Lada, Lena, Velta, Lina, Lucy, Luda, Luba, Jane, Nadj, Nina, Vika, Vera, Inga, Inna, Liza, and Irina